Finding the Fourth Proportional to 22,247,413.21, 30,704,540.57 and 16,072,438.15
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Solution
The fourth proportional to 22,247,413.21, 30,704,540.57 and 16,072,438.15 is: 22,182,211.68
Step by Step Solution
- Step 1: Write the proportion equation
22,247,413.21 : 30,704,540.57 = 16,072,438.15 : x - Step 2: Convert to fraction form
22,247,413.21/30,704,540.57 = 16,072,438.15/x - Step 3: Cross multiply
22,247,413.21x = 30,704,540.57 × 16,072,438.15 - Step 4: Simplify right side
22,247,413.21x = 493,496,829,235,490.75 - Step 5: Solve for x
x = 493,496,829,235,490.75/22,247,413.21 - Step 6: Final answer
x = 22,182,211.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.